OVERVIEW: The RESCUE Remote Speaker Microphone (RSM) has a built-in amplifier for ultra-loud and clear audio, tested to deliver 104-decibel output. Klein custom designed the RESCUE RSM to reliably connect to Sonim’s SecureAudio Connector on the XP5 Plus and XP8 handsets. This allows the RSM connector to screw into the handsets and draw power. The RESCUE RSM contains a directional microphone for noise cancellation, a large PTT button, and orange programmable button. KEY FEATURES: Push-to-talk...